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From:
Landry Breuil <landry@openbsd.org>
Subject:
Re: [new] geo/nco
To:
Marco van Hulten <marco@hulten.org>
Cc:
ports@openbsd.org
Date:
Fri, 5 Dec 2025 18:41:01 +0100

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Le Fri, Dec 05, 2025 at 05:42:35PM +0100, Marco van Hulten a écrit :
> With NCO you can manipulate and analyse netCDF and similar files.  It is
> a useful addition to to tools that are already there.
> 
> So you could do this:
> 
>   wget https://cluster.klima.uni-bremen.de/~fmaussion/teaching/climate/CERES_EBAF-Surface_Ed4.1_Clim-2005-2015.nc
>   ncdump -h CERES_EBAF-Surface_Ed4.1_Clim-2005-2015.nc | head
>   ncrename -d month,mo CERES_EBAF-Surface_Ed4.1_Clim-2005-2015.nc
>   ncdump -h CERES_EBAF-Surface_Ed4.1_Clim-2005-2015.nc | head
> 
> to rename the time axis.
> 
> Apropos, geo/cdo has some of the same functionality, but it is designed
> to handle data variables, not meta information like axes names, so
> geoscientists will quickly be looking for something like NCO.
> 
> OK to add this?

from a first look, you'll need at least fixing the proper versionning
for the @so that should be @lib with the version, and a BDEP on
print/texinfo.

@so lib/libnco-5.3.6.so -> that doesnt use the 0.0 from SHARED_LIBS.

Landry

(as the de-facto maintainer of geo/ i'm globally positive in adding this
even if i never encountered/never had to deal with netcdf files at work)